parisc: Increase initial kernel mapping to 32MB on 64bit kernel

[uclinux-h8/linux.git] / arch / parisc / include / asm / pgtable.h

diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 638317a..d8534f9 100644 (file)
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -83,7 +83,11 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
        printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, (unsigned long)pgd_val(e))
 
 /* This is the size of the initially mapped kernel memory */
-#define KERNEL_INITIAL_ORDER   24      /* 0 to 1<<24 = 16MB */
+#ifdef CONFIG_64BIT
+#define KERNEL_INITIAL_ORDER   25      /* 1<<25 = 32MB */
+#else
+#define KERNEL_INITIAL_ORDER   24      /* 1<<24 = 16MB */
+#endif
 #define KERNEL_INITIAL_SIZE    (1 << KERNEL_INITIAL_ORDER)
 
 #if CONFIG_PGTABLE_LEVELS == 3